Cyrus: Mind of a Serial Killer is an independent horror film from 2010 that doesn’t tread new ground. It’s about a serial killer, obviously, and it purports to be “based on true events.” The story unfolds through three narrative devices: flashbacks; an interview conducted in real time; and interview clips from a news program called…

The found-footage genre took us deep into the woods with The Blair Witch Project (1999). It exposed the ghost of John Wayne Gacy in 8213: Gacy House (2010). It documented a demonic entity in the Paranormal Activity series. In Diary of the Dead (2008), found-footage highlighted the deceased returning to life. With Apollo 18, the…